CVE-2017-5991 Null dereference in n/a
A NULL pointer dereference in MuPDF allows attackers to cause a denial of service via crafted PDF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5991?
CVE-2017-5991 is a high-severity vulnerability in Artifex Mupdf, published on 15 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Artifex MuPDF before 1912de5f08e90af1d9d0a9791f58ba3afdb9d465. The pdf_run_xobject function in pdf-op-run.c encounters a NULL pointer dereference during a Fitz fz_paint_pixmap_with_mask painting operation. Versions 1.11 and later are unaffected.
Weakness: CWE-476
Which versions are affected by CVE-2017-5991?
It affects 2 products.
Products include Artifex Mupdf, Debian Debian Linux.
How do I fix CVE-2017-5991?
Apply the vendor's patch.
Is CVE-2017-5991 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-5991 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as ALPINE-CVE-2017-5991, DEBIAN-CVE-2017-5991, GHSA-j28p-v5hh-q229, UBUNTU-CVE-2017-5991.